fix:修复

client/app/(splash)/splash.tsx

@@ -6,6 +6,7 @@ import { useTranslation } from 'react-i18next';
 import { SafeAreaView } from 'react-native-safe-area-context';
 import { setConsentAccepted, getConsentAccepted } from '../../src/storage/appStorage';
 import { fetchLegalLinks } from '@/src/services/legalApi';
+import { getOnboardingCompleted } from '@/src/storage/appStorage';
 
 // 导入 SVG 组件
 import FlowersBg from '../../assets/images/index/flowers_endbg.svg';
@@ -27,7 +28,13 @@ export default function SplashScreen() {
     const accepted = await getConsentAccepted();
     setShowConsent(!accepted);
     if (accepted) {
-      router.replace('/');
+      // 已同意协议则直接分发到目标页，避免先回到 /（index）再二次跳转导致“闪一下”
+      const completed = await getOnboardingCompleted();
+      if (completed) {
+        router.replace('/(app)/home');
+      } else {
+        router.replace('/(onboarding)/onboarding');
+      }
     }
   };
 

client/app/_layout.tsx

@@ -32,7 +32,8 @@ export {
 
 export const unstable_settings = {
   // Ensure that reloading on `/modal` keeps a back button present.
-  initialRouteName: 'index',
+  // 让首次启动（未同意协议）直接进入协议页，避免先渲染 index 再跳转导致“闪一下”
+  initialRouteName: '(splash)/splash',
 };
 
 // Prevent the splash screen from auto-hiding before asset loading is complete.
@@ -144,6 +145,9 @@ function RootLayoutNav() {
   return (
     <ThemeProvider value={colorScheme === 'dark' ? DarkTheme : DefaultTheme}>
       <Stack screenOptions={{ headerShown: false }}>
+        {/* 协议页分组（首次启动优先进入） */}
+        <Stack.Screen name="(splash)" />
+
         {/* 启动分发页：根据 onboarding 状态跳转 */}
         <Stack.Screen name="index" />
 
@@ -173,7 +177,8 @@ const styles = StyleSheet.create({
     backgroundColor: '#EAD2BA',
   },
   splashImage: {
-    width: '80%',
-    height: '80%',
+    // 覆盖层图片尺寸需与系统原生 Splash 的视觉一致，避免出现“缩小一下”的错觉
+    width: '100%',
+    height: '100%',
   },
 });